Creator
- Altick, Arthur R.1
- Alvare, Ignacio11
- Amador Guerrero, Manuel, 1833-19091
- Amador, R.A.1
- Amaral, Raul R. de1
- Ament, Lytton G.1
- American Photo Co.2
- Ames, Azel, 1845-19081
- Ames, Jessie Daniel, 1883-197214
- Ames, Roger Post2
- Andreu, Jose R.2
- Andrus, David L.1
- Andrus, John H., 1879-194247
- Angles, Eduardo4
- Anoreu, George4